Qurat-Ul-Ain Raza^1,2, Abdur Rehim^1,*, Muhammad Amjad Bashir^1,3,*, Mingzheng Duan⁴, Yucong Geng³, Abdulwahed Fahad Alrefaei⁵

Phyton-International Journal of Experimental Botany, Vol.93, No.12, pp. 3531-3548, 2024, DOI:10.32604/phyton.2024.057356 - 31 December 2024

Abstract Chemical fertilizers have contributed to improving crop production and coping with food safety challenges, but their excessive application in agriculture has resulted in soil and environmental problems. The present study was performed to assess the potential of biostimulants as an alternative to chemical fertilizers. A pot experiment was conducted to examine the response of okra against different biostimulants, including glycine (G.L.), lysine (L.Y.), aspartic acid (A.A.), vitamin B complex (V.B.), and chemical fertilizers (control; C.K.). The results revealed that G.L. and V.B. significantly improved chlorophyll a (12.51%) and chlorophyll b (7.14%) contents in okra… More >

Esra Arslan Yuksel^*

Phyton-International Journal of Experimental Botany, Vol.93, No.9, pp. 2189-2207, 2024, DOI:10.32604/phyton.2024.055053 - 30 September 2024

Abstract Heavy metal contamination in the environment, resulting from human activities or natural processes, poses a significant and widespread challenge. L-glutamic (L-glu) and L-aspartic acid (L-asp) treatments have been reported to improve plant metabolism of heavy metal-exposed plants, but the role of these amino acids in the resistance to lead (Pb²⁺), cadmium (Cd²⁺), arsenic (As³⁺) and nickel (Ni²⁺) treated-bean are unclear when applied together. This study investigated the L-glu and L-asp supplementation-induced changes in some physio-biochemical parameters and some stress-related gene expression levels in Pb²⁺, Cd²⁺, As³⁺, and Ni²⁺-stressed Phaseolus vulgaris (Elkoca and Gina) grown in nutrient solution. The combination of… More >